Table 2 Secondary outcomes

Smoking cessation rates in intervention and control groups among patients with high intrinsic motivation to stop smoking

Smoking cessation rates in intervention and control groups among all participants

Reduction in number of cigarettes per day, compared to baseline

Weight loss in units of 1 kg, compared to baseline

Increase in physical activity time per week in units of 5 min, compared to baseline

Reduction in number of standard drinks per week, compared to baseline, and number of alcohol-free days per week

Reduction in score of the Perceived Stress Scale (PSS-10, German version), compared to baseline

Increase in score of translated MedDietScore questionnaire, compared to baseline

Patients’ degrees of motivation and, if applicable, confidence to achieve and maintain a change in behaviour (self-efficacy)

If applicable: availability of a plan on when and how to take action (action planning) and existence of a relapse plan (coping planning)